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A proton is confined to a nucleus that has a diameter of 5.7 10-15 m. If this distance is considered to be the uncertainty in the position of the proton, what is the minimum uncertainty in its momentum?
Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to the crate. Assume that the masses of the chains, pulleys, and ropes are negligible and the crate is rising with an acceleration of 3.3 m/s..
A Federation star ship (2.0×10^6 kg) uses its tractor beam to pull a shuttlecraft (2.0×10^4 kg) aboard from a distance of 10.0 km away. The tractor beam exerts the constant force of 2.50 X 10^4N on the shuttlecraft. Both spacecraft are initially a..
If John Glenn weighed 640 N on the Earth's surface, i) how much would be having weighed if his Mercury spacecraft had (hypothetically) remained at twice the distance from the center of the earth? ii) Why is it said that an astronaut is never truly..
Suppose you measure the terminal voltage of a 3.260 V lithium cell having an internal resistance of 5.50 by placing a 1.00 kvoltmeter across its terminals, Find the actual terminal voltage to the nearest 0.01 V
A photon is scattered 60.0° during a collision with an electron, Find the wavelength of the photon before the collision
A beam of white light is passed through a prism at an angle of 30o and separated into a spectrum. What is the index of refraction for each color
A quantity of an ideal gas is contained in a balloon. Initially the gas temperature is 27°C, What is the new temperature of the gas
Two loudspeakers on a concert stage are vibrating in phase. A listener is 57m from the left speaker and 30m from the right one. The listener can respond to all frequencies from 20 to 20 000 Hz.
A 0.5970-kg ice cube at -12.40°C is placed inside a chamber of steam at 365.0°C. Later, you notice that the ice cube has completely melted into a puddle of water, calculate the final temperature of the puddle once it settled to equilibrium
During the same interval, a 34 kg greyhound can accelerate from rest to 23 m/s. Calculate (a) the change in kinetic energy and (b) the average power output for each.
Two microscopes are placed one on top of the other. They are in contact at one end but a hair separates them at the other end. determine the thickness of the hair?
Two large equipotent surfaces are flat and parallel and separated by a relatively small distance compared to their size. One surface is at 25 V and the other is at 33 V. The surfaces are 1.25 cm apart. What is the direction of the electric field m..
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